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3763results about "Hot-water central heating" patented technology

Heating control system and method based on solar energy-heat pump-building collaborative optimization

The invention discloses a heating control system based on solar energy-heat pump-building collaborative optimization and a construction method, and belongs to the technical field of renewable energy source heating. Comprising a parameter acquisition module, a dynamic prediction module and an optimization control module. The method comprises the following steps: constructing a building heat transfer dynamic prediction model, a solar energy performance prediction physical model, constructing a ground source heat pump performance prediction model and a solar energy-ground source heat pump system collaborative optimization control model, and predicting and optimizing system operation parameters in the next day. Through cooperative work of the parameter acquisition module, the dynamic prediction module and the optimization control module, intelligentization and high efficiency of building heating are achieved, solar energy and the heat pump efficiency can be utilized to the maximum extent, the ground source heat pump efficiency is improved, and energy consumption is reduced while the indoor comfort degree is guaranteed. In addition, a time-of-use electricity price mechanism is utilized to further optimize system operation parameters, the system operation cost is reduced, and the energy efficiency and the response capability of the system are improved.
Owner:BEIJING UNIV OF TECH

Low-vacuum circulating water heating dynamic load matching method based on AI regulation and control

The invention discloses a low-vacuum circulating water heating dynamic load matching method based on AI regulation and control, and the method comprises the following steps: step S100, multi-source data real-time collection: building thermal environment parameters are synchronously collected through a temperature sensor array, a vacuum pressure transmitter, a flowmeter and an environment monitoring unit which are deployed in a distributed manner; according to the method, the control period is compressed to the minute level, compared with traditional PID control, the response speed is increased by several times, the indoor temperature can be controlled more accurately, and meanwhile the failure rate of equipment is reduced. According to the sudden weather coping mechanism, heat supply strengthening can be started 30 minutes ahead of time under extreme weather such as snowstorm weather, and the stability of the system is ensured. The method is characterized in that the prediction advantage of deep learning and the optimization capability of model prediction control are deeply combined, and the control problem of multivariable strong coupling of the low vacuum system is solved through a verification system of multi-source data fusion and virtual-real combination.
Owner:华能吉林发电有限公司农安生物质发电厂

Decoupled floor underlayment

A decoupled floor underlayment with multiple-layer composite structures includes a wiring layer, and a adhesive layer. The wiring layer includes a body of the wiring layer, and a plurality of protrusion portions disposed on the body of the wiring layer. The protrusion portions include a first protrusion portion and a second protrusion portion with different types of structures. The first protrusion portion and the second protrusion portion are arranged in a staggered manner in an equidistant manner on the body of the wiring layer row by row, column by column. After mortars embedded in the cavity is solidified, blocks formed by the mortars solidification have different expansion coefficients when encountering with heat and cold, and can better cope with an unbalanced stress environment, and more effectively alleviate the damage to a tile floor caused by evacuations of the blocks.
Owner:SHANDONG BLOSAM NEW MATERIAL CO LTD

Heating installation

A heating installation (1) comprising:a first circuit (C1) containing a medium;a first heat pump (5) for heating a medium by absorbing heat energy from the medium in the first circuit;a thermal energy store (2) connected to the first circuit in order to allow heat exchange between the thermal energy store and the medium in the first circuit;a second circuit (C2) containing a medium;a second heat pump (10) for heating a medium by absorbing heat energy from the medium in the second circuit;a cooling circuit (CC) containing a medium;a first heat exchanger (8) for transferring heat from the medium in the cooling circuit (CC) to the medium in the first circuit (C1); anda second heat exchanger (9) for transferring heat from the medium in the cooling circuit (CC) to the medium in the second circuit (C2).
Owner:ENERGY MACHINES

Control system with multi-factor carbon emissions optimization

A system includes a first subsystem configured to produce a resource by consuming electricity, a second subsystem configured to produce the resource by consuming a fuel, and a controller. The controller is configured to determine an allocation of a predicted demand for the resource over a future time period between the first subsystem and the second subsystem based on a first carbon emissions rate associated with off-site production of the electricity and a second carbon emissions rate associated with on-site consumption of the fuel. The controller is also configured to control the first subsystem and the second subsystem to produce the resource in accordance with the allocation during the future time period.
Owner:TYCO FIRE & SECURITY GMBH

Power plant waste heat recovery and heat storage type heating composite optimization method

The invention relates to a power plant waste heat recovery and heat storage type heating composite optimization method and system. A heat exchanger in the waste heat recovery system is accurately selected according to waste heat characteristics, a pipeline is insulated, and a sensor is arranged to be connected with a control system. The heat storage device is made of a composite heat storage material, is modularly designed and has intelligent heat charging and discharging control. The heating network comprises a water supply and return pipe network, a key node is provided with a sensor and a regulating valve, and a user side is provided with an intelligent heat meter. And establishing a collaborative optimization model, solving by adopting an intelligent algorithm, and developing an intelligent predictive control system. The energy utilization efficiency is improved by 20%, the heating quality is optimized, the room temperature uniformity is improved by 15%, the indoor temperature fluctuation is within + / -2 DEG C, meanwhile, the operation cost is reduced by 15%, environmental pollution is reduced, good economic and social benefits are achieved, and the method is suitable for the field of power plant waste heat utilization and heating.
Owner:NAT ENERGY HEZE POWER GENERATION CO LTD

Integrated heating system using a stirling heat pump

Examples of the present disclosure relate to systems and methods for providing hot water for a hot water heater and heating capacity for a climate control system by utilizing a Stirling heat pump system. The Stirling heat pump may be partially integrated into an indoor unit of the climate control system and a hot water heater. An additional indoor heat exchanger may receive heating fluid from the Stirling heat pump system to provide heating capacity in addition to another indoor heat exchanger of the climate control system. Further, the heating fluid circuit of the Stirling heat pump system may be partially integrated into a hot water tank for heating water. A controller may direct the flow of heating fluid from the Stirling heat pump to the hot water tank and / or the climate control system based on a request for heating.
Owner:TRANE INTERNATIONAL INC

Double-layer energy management method for long-distance heat supply system comprising distributed energy storage adjusting unit

The invention discloses a double-layer energy management method for a long-distance heat supply system comprising a distributed energy storage adjusting unit. The double-layer energy management method comprises the steps that the long-distance heat supply system comprising the distributed energy storage adjusting unit is established; setting an application mode of a distributed energy storage adjusting unit in the long-distance heat supply system; setting an energy storage and discharge mechanism of the distributed energy storage adjusting unit; by taking maximum consumption of new energy, optimal load supply and demand balance and optimal economic benefit as objective functions, establishing an energy storage adjusting unit optimization operation model in the source side thermal power plant, and deciding energy storage and discharge states and energy storage and discharge of the energy storage adjusting unit under different time scales; taking the minimum load curve standard deviation, the optimal heat load supply and demand balance, the lowest heat loss load rate and the maximum delay thermal power plant investment limit as objective functions, and establishing a heat storage device optimization operation model of a heat storage adjusting pool and a heating station on a pressure isolation station side and a heat user side; and energy storage and release states and heat storage and release of the heat storage adjusting water tank and the heat storage device under different time scales are decided.
Owner:HANGZHOU YINGJI POWER TECH CO LTD

Edge computing cooperative communication method for multiple heat pumps and photovoltaic system

The invention relates to the technical field of building energy conservation, in particular to an edge computing cooperative communication method for multiple heat pumps and a photovoltaic system, which comprises an edge server, a cloud server, multiple heat pumps, a variable frequency pump and an indoor and outdoor heat supply device, and is characterized in that the edge server realizes time synchronization of equipment through an OPC UA over TCSN protocol, a multi-level energy topology network is established, and the multi-level energy topology network is connected with the cloud server; in combination with physical energy flow and information flow, based on a building heat balance equation, an edge server controls a heat pump to work at an energy-saving operation point according to indoor and outdoor temperatures and user requirements, and the flow of a variable frequency pump is adjusted. In addition, multi-mode state sensing is achieved through the distributed sensor network, a layered self-adaptive control strategy is executed, photo-thermal collaborative optimization and heat pump group collaborative control are achieved, the system collaborative control precision is remarkably improved through the method, the time synchronization error is reduced by three orders of magnitude, and the system response speed reaches the millisecond level and is 10 times faster than that of a traditional system.
Owner:BEIJING AIJIA SUNSHINE TECH DEV CO LTD

Module and assembly for a stationary heat pump system

Module (M) for a stationary heat pump system comprising: at least one heat exchanger (W1, W2, W3). The at least one heat exchanger (W1, W2, W3) consists of interconnected plates arranged one above the other or side by side. A characteristic feature of the invention is that the module (M) has at least one connector (VWQ, VWV) for establishing a fluid-tight connection between the at least one heat exchanger (W1, W2, W3) and at least one heat source and / or at least one heat consumer. The module (M) also includes a compressor (KP) and an expansion valve (EV). A component (B) for a stationary heat pump system comprising at least one fourth heat exchanger (W4) and at least one module (M) according to the invention. The at least one fourth heat exchanger (W4) is a direct evaporator.
Owner:MAHLE INT GMBH

Method and system for heating

System (200) for heating a structure (10), wherein the system comprises a first heat pump (210), arranged to transfer heat to a first hot-side external liquid from a cold-side external liquid circulating in the ground (20) or a water body (21); and a second heat pump (220), arranged to transfer heat to a second hot-side external liquid; wherein the system is arranged to heat the structure (10) via heat exchange with at least the first external liquid. The air-to-liquid heat pump uses carbon dioxide as an internal-loop heat medium, and the system comprises a third heat exchanger (230) being arranged to, cool the internal-loop heat medium by heat exchange with the cold-side external liquid, the cooling of the internal-loop heat medium being to a temperature of less than a critical point (CP) of the internal-loop heat medium. The invention also relates to a method.
Owner:ROTOTEC GRP AB

Cold and heat quadruple supply system and control method thereof

The invention discloses a cold and heat quadruple supply system and a control method thereof, belongs to the technical field of refrigerating and heating devices, and is designed for solving the problems that cold and heat demand time is not matched and the like. The cold and heat quadruple supply system comprises a first unit used for cooling and heating and comprising a cold and heat all-in-one machine; the second unit is used for supplying high-temperature hot water and comprises a high-temperature heat pump; and the third unit is used for supplying high-temperature steam and comprises a flash tank and a steam compressor. According to the cold and heat quadruple supply system and the control method thereof, cold water, heat supply, hot water and high-temperature steam can be prepared at the same time, the problem that cold and heat demand time is not matched is solved, and use is more convenient; and the operation state and the heat storage and cold storage conditions of the unit can be determined according to the cold quantity and the heat quantity actually required by a user, so that the operation energy consumption is reduced.
Owner:TONGFANG SMART ENERGY CO LTD +1

Energy-saving heating device

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.
Owner:陈岳忠

Heating system for gradient utilization of terrestrial heat of rural residence

The invention belongs to the technical field of new energy development and utilization, and particularly relates to a rural residence geothermal gradient utilization heating system which comprises a water collecting pump arranged in a water collecting well and used for collecting geothermal water in the water collecting well; the settling tower is communicated with the water outlet end of the water collecting pump and is used for filtering and settling the geothermal water collected by the water collecting pump; the inlet end of the flash evaporation heat exchange system is communicated with the settling tower, and the flash evaporation heat exchange system is used for circulating geothermal water and enabling the geothermal water to exchange heat with the cascade heat supply system; the cascade heat supply system is used for supplying heat to the indoor system by utilizing heat obtained by heat exchange with geothermal water; a water heater; the stepped heat supply system conducts heat preservation on the outdoor water pipe through heat obtained through heat exchange with geothermal water. The problems that the heat exchanger is seriously scaled, the heat exchange effect is invalid, even the heat exchanger is corroded and the temperature of recharged geothermal tail water is high due to the fact that existing geothermal heating is directly conducted through a plate heat exchanger can be solved.
Owner:高阳县尚润热能科技有限公司

Intelligent hydraulic equilibrium method, equipment, medium and product for branch lines of heat supply secondary network

The invention relates to the technical field of heat supply control, in particular to a heat supply secondary network branch line intelligent hydraulic equilibrium method and device, a medium and a product. The method comprises the following steps: constructing a branch topological graph of a heat supply secondary network in a target heat supply area; the environment temperature is obtained in real time, the heat supply station is controlled to supply heat to each heating single body in the target heat supply area based on the dynamic flow control strategy, and the node flow and the node temperature of each node in the branch topological graph are collected; constructing a branch heat supply loss model of the branch topological graph based on the environment temperature, the node flow and the node temperature; the monomer temperature and heat supply backflow data of each heating monomer are obtained, and a monomer heating model is constructed for each heating monomer based on the environment temperature, the monomer temperature and the heat supply backflow data; and determining a flow regulation and control strategy based on the monomer heating model and the branch line heat supply loss model, and adjusting the monomer heat supply flow of the heat supply secondary network based on the flow regulation and control strategy. According to the method, heat supply hydraulic balance can be achieved through precise flow regulation and control precision.
Owner:HEBEI HUATONG INNOVATION TECH

Carnot cell cold, heat, electricity and fresh water combined supply system based on waste heat utilization

The invention discloses a carnot cell cold, heat, electricity and fresh water combined supply system based on waste heat utilization. The system comprises a dual-pressure condensation heat pump cycle device, a heat storage cycle device, an organic Rankine cycle device, a lithium bromide absorption type refrigeration cycle device, a multi-stage flash evaporation seawater desalination device and a photovoltaic power generation device. Wherein the dual-pressure condensation heat pump circulating device is respectively connected with the heat storage circulating device, the lithium bromide absorption type refrigeration circulating device, the photovoltaic power generation device and the multi-stage flash evaporation seawater desalting device; the heat storage circulating device is also connected with the organic Rankine cycle device; the lithium bromide absorption type refrigeration circulating device is also connected with the multi-stage flash evaporation seawater desalting device; and the dual-pressure condensation heat pump circulating device is used for increasing the temperature of the waste heat so as to meet the operation requirements of the lithium bromide absorption type refrigeration circulating device or the multi-stage flash evaporation seawater desalting device. A large number of low-grade waste heat resources generated in industrial production are effectively utilized, and supply and demand matching of electric energy is adjusted.
Owner:FUZHOU UNIV

Assembly type prefabricated floor heating module

The invention relates to the technical field of floor heating, and discloses an assembly type prefabricated floor heating module which comprises an upper prefabricated slab and a lower prefabricated slab matched with the upper prefabricated slab, second connecting strips are embedded into the left end and the right end of the upper prefabricated slab and the left end and the right end of the lower prefabricated slab, and first connecting strips are embedded into the front end and the rear end of the upper prefabricated slab and the front end and the rear end of the lower prefabricated slab. The first connecting strip comprises a square pipe, and a lead screw is arranged in the square pipe. The first connecting strip and the second connecting strip are embedded between the upper prefabricated slab and the lower prefabricated slab which are adjacent to each other, and are meshed in the splicing screw holes in the upper prefabricated slab and the lower prefabricated slab through the screw heads on the first connecting strip and the second connecting strip, so that the prefabricated floor heating modules are spliced together; after the prefabricated floor heating module is laid, the first connecting strip and the second connecting strip cannot be seen from the outside, only one hole needs to be formed between every two adjacent upper prefabricated plates, and therefore the neatness and attractiveness of the prefabricated floor heating module are guaranteed.
Owner:SUZHOU JINSHISHENG ARCHITECTURAL DECORATION ENG CO LTD

Retrofit kit for an existing central heating system and a method for retrofitting an existing central heating system using a retrofit kit

Retrofit kit (1) for an existing central heating system (2), wherein the central heating system (2) comprises at least one primary heat source (3) operable by means of fuels, in particular a boiler and / or a gas boiler, at least one heat exchanger (4), preferably a radiator for heating a building, and at least one domestic hot water storage tank (5), wherein a heat transfer fluid (6), in particular water, can be heated by means of the primary heat source (3), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat exchanger (4) by means of a heat pump (7), and wherein the heat transfer fluid (6) can be conveyed to the domestic hot water storage tank (5) for heating domestic hot water (9) temporarily stored in the domestic hot water storage tank (5), namely for heat transfer from the heat transfer fluid (6) to the domestic hot water (9) through or adjacent to the domestic hot water storage tank (5),wherein the primary heat source (3) has a central heating control and / or regulation device (10) for its control and / or regulation, wherein the retrofit kit (1) and / or the central heating system (2) has at least one electrically operated heat pump (11), wherein the heat transfer fluid (6) can be heated by means of the heat pump (11), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat pump (11) for its heating, and wherein the heat transfer fluid (6) can be conveyed to and / or through the primary heat source (3) by means of the heating pump (7) and / or the storage pump (8), characterized in that the retrofit kit (1) has a temperature sensor (13.1) and a separate heat pump control and / or regulation device (14) for the heat pump (11), wherein the temperature sensor (13.1) is connected to the separate heat pump control and / or regulation device (14) for control / is connected or connectable via signal and / or data technology,wherein the heat pump (11) is connected and / or connectable to the separate heat pump control and / or regulation device (14) for control purposes, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) is controlled based on the actual domestic hot water temperature (T) measured by means of the temperature sensor (13.1) in a lower area of ​​the domestic hot water storage tank (5) or adjacent to this lower area of ​​the domestic hot water storage tank (5). B1 ) is controllable and / or adjustable, wherein the temperature sensor (13.1) is used as a first temperature sensor (13.1) for determining a first actual domestic hot water temperature (T B1 ) is implemented, wherein a second temperature sensor (13.2) is located in a vertically viewed middle or upper area of ​​the domestic hot water storage tank (5) for measuring and / or determining a second actual domestic hot water temperature (T B2) is arranged, wherein the second temperature sensor (13.2) is connected to the central heating control and / or regulating device (10) in a control / signal / and / or data-related manner, wherein the central heating control and / or regulating device (10) is designed and / or implemented such that the primary heat source (3) is adjusted depending on the second actual domestic hot water temperature (T B2 ) is controllable and / or adjustable, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) can be operated and / or activated for heating the heat transfer fluid (6) with the aid of the separate heat pump control and / or regulation device (14) when the first actual domestic hot water temperature (T) measured, determined and / or calculated with the aid of the first temperature sensor (13.1) B1 ) a first limiting temperature (T B1G ) falls below.
Owner:BRECKLINGHAUS PETER

Residual pressure recoverer for heat supply system

The utility model relates to the field of excess pressure recoverers, in particular to an excess pressure recoverer for a heat supply system, and solves the technical problems that fluid pressure energy loss exists in a high-low area water supply recovery system of a building, and the heat supply and refrigeration operation cost of a high area is high. According to the technical scheme, the excess pressure recoverer for the heat supply system comprises a water feeding pump head, a water returning pump head, a coupler, an end disc, a rotary disc, a pump shaft, an impeller and a clamping and fixing assembly. The two pump heads are combined with the coupling and the pump shaft to be oppositely connected to form the residual pressure recoverer, the overhigh water return pressure in a high area can be converted into mechanical energy through the rotating impeller in a water supply and water return system, the pump heads of the water pump installed on a water supply pipeline are driven to do work, the electric energy consumption of an original water supply pressure pump is reduced, and the cost is reduced. And the problems of fluid pressure energy loss and high heat supply and refrigeration operation cost of a high area in a high-low area water supply recovery system of a building are solved.
Owner:BEIJING XINBAO TONGHUAI ENERGY SAVING TECH CO LTD

A distributed mixed water heating device

The present invention discloses a distributed water mixing heating device, which specifically relates to the technical field of water mixing heating, including a heating pipe, a filter assembly 1 is fixedly connected to the rear end of the heating pipe, two symmetrically arranged filter assemblies 2 are fixedly connected to the rear end of the filter assembly 1, and the ends of the two filter assemblies 2 close to each other are fixedly connected to a water mixing assembly, a heating assembly is fixedly connected to the right side of the rear end of the water mixing assembly, and a storage assembly is fixedly connected to the left side of the heating assembly. A distributed water mixing heating device of the present invention can drive a toggle rod to rotate through a transmission belt when an impeller is impacted by a water flow, so that the corrosion and scale inhibitor can be added in an appropriate amount according to the water output, thereby ensuring that the corrosion and scale inhibitor reaches an optimal concentration in the circulating water, thereby avoiding the formation of metal corrosion residues and scale in the inner cavity of the heating pipe when the metal equipment is used for too long, and further extending the service life of the equipment.
Owner:URUMQI HUAYUAN THERMAL POWER CO LTD

Boiler, boiler assembly, and water heating system

A boiler is provided that is configured for use with an indirect water heater and a hydronic space heating system. When a heat source is firing at a predetermined firing rate, the boiler compares the firing rate to a predetermined firing rate and controls the water flow based on a simultaneous heat demand from the hydronic space heating system and the indirect water heater based on a result of the comparing the firing rate to the predetermined firing rate. A boiler is also provided with a carbon dioxide gas sensor that detects a value of carbon dioxide. When the value of carbon dioxide exceeds a selected value of carbon dioxide, the boiler reduces the predetermined firing rate. A kit for a boiler assembly and a method for assembling a stand to a boiler are also provided.
Owner:LAARS HEATING SYST

System and method for supplying cascade energy using waste heat from power plant during production

The present application relates to a system and method for supplying cascade energy using waste heat from a power plant during production. The waste heat from the power plant during production is connected to a heat source inlet of a lithium-bromide absorption chiller and to a waste water inlet of a waste water heat exchanger, and a heat source outlet of the lithium-bromide absorption chiller is connected to the waster water inlet of the waste water heat exchanger and to a water return port of the waste heat from the power plant during production; the lithium-bromide absorption chiller is connected to a chilled water intake line, a chilled water output line, a cooled water intake line and a cooled water discharge line, the cooled water discharge line is connected to a clean water side inlet of the waste water heat exchanger, and a clean water side outlet of the waste water heat exchanger is sequentially connected to a water purification device and a hot water tank; the clean water side inlet of the waste water heat exchanger is connected to a heating water return line, and the clean water side outlet of the waste water heat exchanger is connected to a heating water supply line; and a water outlet of the waste heat from the power plant during production is further connected to a heat source inlet of a solution regenerator, and a waste water outlet of the solution regenerator is connected to the water return port of the waste heat from the power plant during production. The system of the present application has high energy utilization efficiency, thus effectively expanding the range of waste-water waste heat utilization.
Owner:XIAN THERMAL POWER RES INST CO LTD

Heat supply pipe network hydraulic balance adjusting system and method integrating AI algorithm

The invention discloses a heat supply pipe network hydraulic balance adjusting system and method integrated with an AI algorithm. The system comprises a multi-source data acquisition module, a data fusion module, an AI algorithm model module and an adjusting control module. The multi-source data acquisition module is a sensing basis and a decision-making basis source of the whole system and is used for acquiring multi-source data in real time; the data fusion module comprises a preprocessing module and an extraction fusion module. The invention belongs to the technical field of hydraulic balance adjustment of a heat supply pipe network, and aims to solve the problem that the prediction accuracy is reduced due to the fact that the valve opening is adjusted by depending on single fixed threshold data or artificial experience and dynamic factors of real-time weather are not fused in the prior art. The technical effects are that the weather data and the real-time data of the heat supply pipe network can be fused, the relevance and complementarity between different types of data are fully utilized, and the accuracy and efficiency of the hydraulic balance adjustment of the heat supply pipe network can be improved.
Owner:BEIJING ZHIHE RUIXING ENERGY TECH CO LTD

Methods and systems and apparatus to support reduced energy and water usage

A water heating system 300 has a water inlet 302 for receiving mains cold water, a water outlet 304 to provide hot water on demand, e.g. to a tap, a controller 340 and a water circuit comprising a hea
Owner:OCTOPUS ENERGY HEATING LTD

Photovoltaic photo-thermal energy storage heat pump system and method

The invention discloses a photovoltaic photo-thermal energy storage heat pump system and method.The system comprises a photovoltaic photo-thermal assembly, the electric quantity output end of the photovoltaic photo-thermal assembly is connected with an energy storage assembly, an air source heat pump machine and a demand module, and the demand module is connected with a power grid; the air outlet end of the photovoltaic photo-thermal assembly is connected with the first air inlet end of the air source heat pump machine, and the second air inlet end of the air source heat pump machine is used for introducing demand module waste gas; the water outlet end of the photovoltaic photo-thermal assembly is connected with the first water inlet end of the energy storage water tank, and the first water outlet end of the energy storage water tank is connected with the water inlet end of the photovoltaic photo-thermal assembly; the water outlet end of the air source heat pump machine is connected with the second water inlet end of the energy storage water tank, and the second water outlet end of the energy storage water tank is connected with the water inlet end of the air source heat pump machine. The air conditioner has the advantages that the ultralow-temperature refrigerating capacity is improved, electricity is saved, carbon emission is low, universality is high, the structure is simple, and efficiency is high.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

Device for heating hot water for domestic use

PendingEP4636319A1Fuel heating with wind energyHeat storage plants
Device (1) for heating domestic water by thermal contact with a heating fluid, the device comprising a first chamber (10) and a second chamber (20) fluid-dynamically connected to the first chamber via a connecting opening (13), both the first chamber and the second chamber each having a supply opening (11, 21) and a removal opening (12, 22) for heating fluid, the first chamber being designed to store heating fluid in its interior in layers (14, 15, 16) lying one above the other in a stratification direction (19) according to the temperature of the heating fluid. Specific guidance of the flow of the heating fluid, on the one hand during layering into the first chamber and, on the other hand, during flowing into the second chamber, leads to high efficiency of heat transfer to the domestic water.Furthermore, the invention is directed to a heating system comprising the device, an operating method for the heating system, a single-layer device, and a heat exchanger device. The invention enables, for example, the implementation of various embodiments of the heating system and their operating methods using only a single pump.
Owner:KELVINPRO AG

Outdoor unit of air conditioner

An outdoor unit of an air conditioner according to the present disclosure includes a base panel in which an inlet hole and an outlet hole are formed; a compressor placed on the base panel; a heat storage tank having a refrigerant flow path through which the refrigerant discharged from the compressor flows and a water flow path for exchanging heat with the refrigerant flowing along the refrigerant flow path formed therein; a water pipe unit connected to the heat storage tank; a pump for supplying water to the heat storage tank; a vertical panel defining at least one of a side surface and a rear surface of the base panel and having an inlet hole and an outlet hole; a deaerator for removing air bubbles contained in the water passing through the heat storage tank, in which the water pipe unit may include a pump inlet pipe having one end portion connected to an inlet of the pump; a pump outlet pipe connecting an outlet of the pump and an inlet of the water flow path; a deaerator inlet pipe connecting an outlet of the water flow path and an inlet of the deaerator; and a deaerator outlet pipe having one end portion connected to an outlet of the deaerator; and in which the other end portion of the pump inlet pipe and the other end portion of the deaerator outlet pipe may be connectable to either a vertical panel or the base panel.
Owner:LG ELECTRONICS INC

Integrated grading flash evaporation deep heat recovery device for high-salt, high-scale and high-corrosion slurry

The utility model discloses an integrated grading flash evaporation deep heat recovery device for high-salt, high-scale and high-corrosion slurry, and belongs to the technical field of industrial energy conservation and desulfurization slurry waste heat heat supply. According to the integrated equipment, in order to solve the problems that due to graded flash evaporation and graded heat removal, the final-stage vacuumizing difficulty is too large, equipment assemblies are too many, the occupied area is too large, the manufacturing cost is too high, and operation and maintenance are difficult, flash evaporation tanks are combined into an integral graded flash evaporation tank, and a flash evaporation steam heater is combined into an integral graded heater; furthermore, all the components are combined into an integrated tank body, and all functional areas are separated by adopting partition plates. A first-stage special micro-differential pressure vacuum pump is added, and non-condensable gas of the last-stage heater is pumped out and sent to an inlet of the previous-stage heater or a conventional vacuum pump; alkaline water is sprayed to a space, where non-condensable gas is enriched, of a final-stage heater to absorb SO2 and reduce partial pressure, so that the temperature of a concentrated slurry outlet and the smoke exhaust temperature of a final-stage flash tank can be greatly reduced. The device is suitable for the fields of coal-fired boilers, sintering machines and industrial kilns requiring waste heat recovery.
Owner:TSINGHUA UNIVERSITY +1

Building heat exchange unit with protection function

The invention discloses a building heat exchange unit with a protection function, relates to the technical field of heat exchange devices, and provides the following scheme that the building heat exchange unit comprises a fixed bracket, and further comprises a heat exchange mechanism, a protection mechanism and a control mechanism, and the heat exchange mechanism is arranged on one side of the top of the fixed bracket and used for building cold and hot water exchange; the water storage assembly is arranged on the other side of the top of the fixed support and used for storing building water; the monitoring and protecting mechanism is arranged on one side of the heat exchange mechanism and used for real-time monitoring during cold and hot water exchange treatment of the heat exchange mechanism, and the monitoring and protecting mechanism is connected with the heat exchange mechanism; and the circulating assembly is arranged on the fixed bracket. The cold and hot water exchange efficiency is improved, heat transfer is achieved, meanwhile, the stability of the heat exchanger in the operation process is guaranteed, vibration and noise generated in the operation process are reduced, equipment loss is reduced, the service life is prolonged, water backflow is prevented, the correct water flow direction is guaranteed, and stable operation of the system is maintained; pipeline blockage and influence on normal operation of equipment are avoided, and system water quality is guaranteed.
Owner:SHANDONG FEIYANG ENERGY SAVING TECH CO LTD

A gas and steam power generation afterburning type heat-electricity decoupling system and a working mechanism thereof

A gas and steam power generation afterburning type heat-electricity decoupling system and a working mechanism thereof, characterized in that the system comprises a gas turbine power generation system, a power transmission and transformation system, a molten salt heat storage system and a steam power generation system; the gas turbine power generation system is connected with the molten salt heat storage system through a flue gas pipeline; the molten salt heat storage system is connected with the power transmission and transformation system through a cable; the gas turbine power generation system is connected with the power transmission and transformation system through a cable; the molten salt heat storage system is connected with the steam power generation system through a main steam pipeline and a backwater pipeline; and the steam power generation system is connected with the power transmission and transformation system through a cable. The system can realize complete heat-electricity decoupling in a green energy storage system, realize the functions of self-supply of external power, storage of green electricity or heat supply, increase the accommodation capacity of a power grid to green electricity, and enhance the stability, flexibility and safety of a new power system.
Owner:BEIJING GONGDA HUANNENG TECH CO LTD